<?php
/**
 * Smarty plugin
 *
 * @package Smarty
 * @subpackage PluginsModifierCompiler
 */

/**
 * Smarty default modifier plugin
 *
 * Type:     modifier<br>
 * Name:     default<br>
 * Purpose:  designate default value for empty variables
 *
 * @link http://smarty.php.net/manual/en/language.modifier.default.php default (Smarty online manual)
 * @author Uwe Tews
 * @param array $params parameters
 * @return string with compiled code
 */
function smarty_modifiercompiler_default($params, $compiler) {
	$output = $params [0];
	if (! isset ( $params [1] )) {
		$params [1] = "''";
	}
	for($i = 1, $cnt = count ( $params ); $i < $cnt; $i ++) {
		$output = '(($tmp = @' . $output . ')===null||$tmp===\'\' ? ' . $params [$i] . ' : $tmp)';
	}
	return $output;
}

?>